Bill EIfinger5 says after seeing slick Larsens 113 scale cub fly knew hundreds other model builders would want scratch build relatively simple sturdy version SoI took Chuck Hollingers Berkeley 1/6 scale scaled up two times modified structure removable engine pack swivel land ing gear assembly removable tail surfaces wing panels am quite sure modelers will love itI -I Piper Cub J-3 119 wingspan 18 lbs 20 30 2-cycle engine 4-channel 280 sq wing area 90 length Plywood/balsa frame balsa/spruce removable wing panels hinged shock-mounted music wire frame landing gear Removable tail surfaces transportation Plan N Pattern -- RC3S-2 2995 601/i Wingspan 603h overall length 60 26 Engines 6 Plan N Pattern Set IRC3S-1 $2495 Sopwlth 2150 sq wing area 84 wingspan 4 ch R/C 11 lbs w/o R/C plywood Et balsa construction over 65 sq ft drawings Plan N Pattern #RCQS-1 1 $2495 SPAD C-XIII Capable Flyer Captures Imagination 13 31 cu engines 79W wingspan 2120 sq wing area Plan N Pattern #RCQS 8 $2796 FokkerKi-3:2N Triplane DR-i Giant Y4 Scale R/C Design WW 78 150 cu engines 72 wingspan triplane 1772 sq wing area Plan N Pattern #RCQS6 $2495 SE-5A World Wan 78 22 enganeslO 80/ wingspan 2220 sq wing area Plan N Pattern IRCQS-7 $2495 Quarter Scale Curtis Falcon 114 Wingspan 3168 sq area Quadra Size Engine Plan N Pattern #RCQS13 $2796 Elil Effinger founding member AMA AMA AFFS Hall Famer Prices complete Plane Sub-Assem ly Detailed Pans Lists Add $200 MaIling Tube SEND FOR EROCHURE ahead crowd New erochure showing new Plan Sets 1988 Send $100 refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Anything Really New After reading Bill Evans article Oc tober 1987 issue about development Simitar design surprised note gave no credit perfect ed swept-forward flying wing design model airplanes some 45 years ago Berryloid winner 1946 Nation als Control Line model Tex Rus sell very similar design Simitar Tex rather famous modeler period working design several years prior Nats win airplane called Vampire published May 1947 issue Air Trails magazine very popular airplane built flown Memory fails believe may have kitted time Free Flight version same config uration called Williwaw designed Bruce Wennerstrom published April 1948 issue Model Airplane News Bruce also famous modeler designer spent number years experimenting design Attu during WW II Free Flight version very stable easy fly either tractor pusher competed 1950 Nationals two model designs well oth ers published early SOs based semi-success genfleman named Cornelius full-scale light air plane same arrangement 1930s Cornelius also designed wellpublicized glider/tanker again same layout towed behind WW II trans ports bombers method extending range made lot magazine covers just wasnt successful before Mr Cornelius French flying same big fin-rudder sweptforward flying wing design back 1922 Could call biplane version X wing Bill Evans congratulated pro moting design Yet hes mod eling 50 years must know its new idea LF Randolph Dallas TX dont think Bill Evans has ever laid claim being inventor flying Continued page 10 CALL FOR IMMEDIATE SHIPMENT ON ViSA OR MASTERCARD SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 05 1S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED KAB ENGINES ALSOA COMPLETE LINE OF RACING PARTS BEE FIREBALL KAB PLUGS SOLID LINES RACING WHEELS QUICK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES COILS CONDENSERS NGK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 73 LOOP RUBBER BANDS KSB SEELIG IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES S EVERYTHING YOU NEED FOR OLD T1AER-INCLUDING REPLICA OR WICK ENGINES 8 Model Aviation etWs Editor lettors will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 WE STOCK ALL REV-UP PROPS OUR INVENTORY AVERAGES OVER 10000 PROPS! OLD TIMER SUPPLIES ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA MASTERCARD WELCOME DEALER INQUIRIES INVITED MINIMUM MERCHANDISE ORDER S 1000 SHIPPING HANDLING FEE 8150 FOR INSURANCE ADD U 100 ORDERS SHIPPED WITHIN 24 HOURS CALIF RESIDENTS ADD 6% TAX wing swept-forward flying wing X-wing Re latter memory Bill inspired movie Star Wars Yet don t remember mention ing other airplanes designers models full-size stepping stones Should wouldn t pretend say get right down new airplane owes its debt otherseach effect re finement earlier design Whatever no can take away fact Bill Evans has done much make practical popular flying wing concept RC modelingthrough Simitar series variants Soloed Eight am eight years old past spring dad began teaching fly Eagle same learned fly three years ago Just before got out sec ond grade took off landed myself am youngest member club have AMA since six dad working new plane still like fly Eagle am sending picture Brian Powers Gastonia NC Does Brian remind anyone about Chip Hyde Rhett Miller Brian see fine future ahead Quadruple Duty Just want let know someone does build planes show describe Model Aviation i nave raraeei wnicn uses rox oes well three-channel model After saw Double Duty Mod el Aviation cover idea shown enclosed photos shows two Double Duty modelsone aile roned wings Fox 15 other dihedral wings three channels 05 25 wings switched other pictureContinued page 12 10 Model Aviation ALL PURPOSE FOAM CUTTER Hands Off Cut ii Especially Designed Tapered Wings HANDS OFt LU II unique aevice cutting nign quaiity roam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advan tage having wait until friends can come around help However iust foam wing cutter HANDS OFF also capable cutting precision foam com ponents such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble takes approximately 15 minutes Dealers WantedHands Off Cut II Hardware Package$8750 plus 83 shipping handling 24 Volt Variable Output Power Supply$5250 plus *3 shipping handiing New 1 hr Video Tape Foam Shop Part 1 ing Foam Wings $2995 NOR-RAY PRODUCTS INC 5008 Sandbeach Road Wichita Falls TX 76310 Tel 817 692-4475 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500 COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure ye paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPflces subject change withoot notice See aealer first available order direct Call LJ 800-247-5008 toll free orders Latest Catalog $300 MANUFACTURING CO Montezuma IA 50171 ATT- CHEKT ON-Board Battery Tester Saves Time. Saves Models BATTCHEKRX-1 $1495 ei n USA NW Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged ORDER TODAY dealer Protune Corp 19141462-6452 PO Box 1808 Poughkeepsie NY 12601 Keep up good work Love mag Phil Honeycutt Lucama NC NoiseFrom England May comment something Sep tember MA topic noise typ ified Jim Watermans Guest Editorial some AMA people seem danger losing sight what think really trying achieve Surely aim reduce public opposi tion model flying simply clamp good mufflers engines Let us confuse two Britain know several large flying sites Free Flight powered aircraft have flown since before war totally unmuffled engines cut after 10 seconds Fit ting mufflers tried over 1960s effect making almost impossible tell engine cutbad news timekeepers However rarely noise complaints because sound lasted short time diminishing fast models climbed vertically com plaints did start RC fliers well-muffled engines running 10 min utes time began share sites Result lost sites RC fliers need 50 acres Free Flighters too must have 300 acres fly over What surely needed much better pub lic relations aimed telling public what aims sport Much oppo sition model flying comes igno rance feeling playing noisy toys no particular purpose competition fliers provide vital end product public can focus improves image of us end product excellence steady supply positive media stories local heroes sport have won contests maybe practicing represent country World Championships helps deter complainers Waiting till site threatened far too lateand personally doubt whether RC flying items lo cal shows fairs much except boost egos participants Free Flight proven way lim iting complaints built contest rules Keep engine running time down Control Line too lucky although engine runs sometimes quite long altitude low thus annoyance cone has small base diameter What important horses courses have tried blanket muffler rule does work Fitting RC models cutout stop engine after 10 seconds almost certainly would stop public complaints might unpopular some fliers Editor Hows under statement think positive excellence Continued page 133 12 Model Aviation 1987 NATIONAL CHAMPION Tony Frackowiak shown winning FAI RC Pattern 1987 NATS original design LENGE IV CHALLENGE IV available basic kit featuring epoxyglass fuselage foam wings stab $14995 Deluxe Kit $35000 much assem bly complete exceptionally smooth pre cise flying aircraft equally adept AMA FAI pattern Much individual preference can accomodated including choice Tn-Gear Tail Dragger 790 sq wing 820 sq depending desired flight speed C\Soe\C $8je ~ ietractS9 GO& par1terSs a0d atpiP~3 ~oyS oriented public relations better way us go Martin Dilly West Wickham Kent England can t think anyone wouldn t like see high respect airplane mod eling general public unfortunate ly doesnt seem magic answers assure giant leap di rection Safety/Preston Continued page 22 accident no else field Just two minutes before accident two other members left leaving just two us accident happened grabbed torn finger Sue helped load van drove nearby fire station para medic gave preliminary check said going live bound up wound off went hospital After receiving seven stitches finger several days later returned field T-Craft did again time prop flew off hit leg no hospital trip time made deep cut After lengthy dis cussion club president engine expert Frank Warren electronics expert Ron Roeder bought zero-to-five-ohm wirewound rheostat could handle 25 amps found local surplus outlet $150 also picked up toggle switch 50 cents lit tle fellows went power panel field box Since Ive no problems Frank Ron contended glow plug getting too much juice causing detonation problem loosening prop nut causing insurance company shudder would recommend addition anyone firing up four-stroke toggle switch works kill-switch glow plug can cut heat quickly havent personally tried out Dukes sugges tion However worked him may work others Meanwhile wonder engine manufacturers going provide some means positively retain prop nut shaft column has discussed several methods have suggested readers its ex actly new technology wrap up months column letter Joe Wagner New Wilmington PA points out buddy system infallible Ill let Joe tell tale Im responding latest column Sep tember 87 mentioning buddy tystem good bit model flying alone although Ive never problems agree its better have buddy along However make sure youve got dependable An experience back 1942 case point building solid Scale models friend basement big knife using roughly shape Short Stirling fuse lage slipped made huge gash hand Blood everywhere before could pick up rag slow flow turned buddy help saw him collapsed heap floor learned later despite Boy Scout training merit badges First Aid friend people simply can stand sight blood did know Bleeding hand managed carry friend upstairs alone house lay him down couch make sure breathing OK before left made way doctors office circumstances Id have better off alone now wonder about some peo ple occasionally fly would react case bloody accident Maybe ought ask themtactfully course Have another safe month John Preston 2812 Northampton St N W Washington DC 20015 TR-260/Shepherd Continued page 34 Select some grain 3/ sheet tur fledeck sides cut little oversize Wet outside sheet will curve over formers stringers easily use CyA glue attach Sand top sheets flush formers top stringers glue -in light sheet top Cut excess off sides A-in sheet sand top long straight block Glue landing gear plate place epoxy Glue bottom A-in sheet place December 1987 133 U Letters Editor Continued page 12
Edition: Model Aviation - 1987/12
Page Numbers: 8, 10, 12, 133
Bill EIfinger5 says after seeing slick Larsens 113 scale cub fly knew hundreds other model builders would want scratch build relatively simple sturdy version SoI took Chuck Hollingers Berkeley 1/6 scale scaled up two times modified structure removable engine pack swivel land ing gear assembly removable tail surfaces wing panels am quite sure modelers will love itI -I Piper Cub J-3 119 wingspan 18 lbs 20 30 2-cycle engine 4-channel 280 sq wing area 90 length Plywood/balsa frame balsa/spruce removable wing panels hinged shock-mounted music wire frame landing gear Removable tail surfaces transportation Plan N Pattern -- RC3S-2 2995 601/i Wingspan 603h overall length 60 26 Engines 6 Plan N Pattern Set IRC3S-1 $2495 Sopwlth 2150 sq wing area 84 wingspan 4 ch R/C 11 lbs w/o R/C plywood Et balsa construction over 65 sq ft drawings Plan N Pattern #RCQS-1 1 $2495 SPAD C-XIII Capable Flyer Captures Imagination 13 31 cu engines 79W wingspan 2120 sq wing area Plan N Pattern #RCQS 8 $2796 FokkerKi-3:2N Triplane DR-i Giant Y4 Scale R/C Design WW 78 150 cu engines 72 wingspan triplane 1772 sq wing area Plan N Pattern #RCQS6 $2495 SE-5A World Wan 78 22 enganeslO 80/ wingspan 2220 sq wing area Plan N Pattern IRCQS-7 $2495 Quarter Scale Curtis Falcon 114 Wingspan 3168 sq area Quadra Size Engine Plan N Pattern #RCQS13 $2796 Elil Effinger founding member AMA AMA AFFS Hall Famer Prices complete Plane Sub-Assem ly Detailed Pans Lists Add $200 MaIling Tube SEND FOR EROCHURE ahead crowd New erochure showing new Plan Sets 1988 Send $100 refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Anything Really New After reading Bill Evans article Oc tober 1987 issue about development Simitar design surprised note gave no credit perfect ed swept-forward flying wing design model airplanes some 45 years ago Berryloid winner 1946 Nation als Control Line model Tex Rus sell very similar design Simitar Tex rather famous modeler period working design several years prior Nats win airplane called Vampire published May 1947 issue Air Trails magazine very popular airplane built flown Memory fails believe may have kitted time Free Flight version same config uration called Williwaw designed Bruce Wennerstrom published April 1948 issue Model Airplane News Bruce also famous modeler designer spent number years experimenting design Attu during WW II Free Flight version very stable easy fly either tractor pusher competed 1950 Nationals two model designs well oth ers published early SOs based semi-success genfleman named Cornelius full-scale light air plane same arrangement 1930s Cornelius also designed wellpublicized glider/tanker again same layout towed behind WW II trans ports bombers method extending range made lot magazine covers just wasnt successful before Mr Cornelius French flying same big fin-rudder sweptforward flying wing design back 1922 Could call biplane version X wing Bill Evans congratulated pro moting design Yet hes mod eling 50 years must know its new idea LF Randolph Dallas TX dont think Bill Evans has ever laid claim being inventor flying Continued page 10 CALL FOR IMMEDIATE SHIPMENT ON ViSA OR MASTERCARD SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 05 1S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED KAB ENGINES ALSOA COMPLETE LINE OF RACING PARTS BEE FIREBALL KAB PLUGS SOLID LINES RACING WHEELS QUICK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES COILS CONDENSERS NGK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 73 LOOP RUBBER BANDS KSB SEELIG IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES S EVERYTHING YOU NEED FOR OLD T1AER-INCLUDING REPLICA OR WICK ENGINES 8 Model Aviation etWs Editor lettors will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 WE STOCK ALL REV-UP PROPS OUR INVENTORY AVERAGES OVER 10000 PROPS! OLD TIMER SUPPLIES ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA MASTERCARD WELCOME DEALER INQUIRIES INVITED MINIMUM MERCHANDISE ORDER S 1000 SHIPPING HANDLING FEE 8150 FOR INSURANCE ADD U 100 ORDERS SHIPPED WITHIN 24 HOURS CALIF RESIDENTS ADD 6% TAX wing swept-forward flying wing X-wing Re latter memory Bill inspired movie Star Wars Yet don t remember mention ing other airplanes designers models full-size stepping stones Should wouldn t pretend say get right down new airplane owes its debt otherseach effect re finement earlier design Whatever no can take away fact Bill Evans has done much make practical popular flying wing concept RC modelingthrough Simitar series variants Soloed Eight am eight years old past spring dad began teaching fly Eagle same learned fly three years ago Just before got out sec ond grade took off landed myself am youngest member club have AMA since six dad working new plane still like fly Eagle am sending picture Brian Powers Gastonia NC Does Brian remind anyone about Chip Hyde Rhett Miller Brian see fine future ahead Quadruple Duty Just want let know someone does build planes show describe Model Aviation i nave raraeei wnicn uses rox oes well three-channel model After saw Double Duty Mod el Aviation cover idea shown enclosed photos shows two Double Duty modelsone aile roned wings Fox 15 other dihedral wings three channels 05 25 wings switched other pictureContinued page 12 10 Model Aviation ALL PURPOSE FOAM CUTTER Hands Off Cut ii Especially Designed Tapered Wings HANDS OFt LU II unique aevice cutting nign quaiity roam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advan tage having wait until friends can come around help However iust foam wing cutter HANDS OFF also capable cutting precision foam com ponents such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble takes approximately 15 minutes Dealers WantedHands Off Cut II Hardware Package$8750 plus 83 shipping handling 24 Volt Variable Output Power Supply$5250 plus *3 shipping handiing New 1 hr Video Tape Foam Shop Part 1 ing Foam Wings $2995 NOR-RAY PRODUCTS INC 5008 Sandbeach Road Wichita Falls TX 76310 Tel 817 692-4475 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500 COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure ye paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPflces subject change withoot notice See aealer first available order direct Call LJ 800-247-5008 toll free orders Latest Catalog $300 MANUFACTURING CO Montezuma IA 50171 ATT- CHEKT ON-Board Battery Tester Saves Time. Saves Models BATTCHEKRX-1 $1495 ei n USA NW Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged ORDER TODAY dealer Protune Corp 19141462-6452 PO Box 1808 Poughkeepsie NY 12601 Keep up good work Love mag Phil Honeycutt Lucama NC NoiseFrom England May comment something Sep tember MA topic noise typ ified Jim Watermans Guest Editorial some AMA people seem danger losing sight what think really trying achieve Surely aim reduce public opposi tion model flying simply clamp good mufflers engines Let us confuse two Britain know several large flying sites Free Flight powered aircraft have flown since before war totally unmuffled engines cut after 10 seconds Fit ting mufflers tried over 1960s effect making almost impossible tell engine cutbad news timekeepers However rarely noise complaints because sound lasted short time diminishing fast models climbed vertically com plaints did start RC fliers well-muffled engines running 10 min utes time began share sites Result lost sites RC fliers need 50 acres Free Flighters too must have 300 acres fly over What surely needed much better pub lic relations aimed telling public what aims sport Much oppo sition model flying comes igno rance feeling playing noisy toys no particular purpose competition fliers provide vital end product public can focus improves image of us end product excellence steady supply positive media stories local heroes sport have won contests maybe practicing represent country World Championships helps deter complainers Waiting till site threatened far too lateand personally doubt whether RC flying items lo cal shows fairs much except boost egos participants Free Flight proven way lim iting complaints built contest rules Keep engine running time down Control Line too lucky although engine runs sometimes quite long altitude low thus annoyance cone has small base diameter What important horses courses have tried blanket muffler rule does work Fitting RC models cutout stop engine after 10 seconds almost certainly would stop public complaints might unpopular some fliers Editor Hows under statement think positive excellence Continued page 133 12 Model Aviation 1987 NATIONAL CHAMPION Tony Frackowiak shown winning FAI RC Pattern 1987 NATS original design LENGE IV CHALLENGE IV available basic kit featuring epoxyglass fuselage foam wings stab $14995 Deluxe Kit $35000 much assem bly complete exceptionally smooth pre cise flying aircraft equally adept AMA FAI pattern Much individual preference can accomodated including choice Tn-Gear Tail Dragger 790 sq wing 820 sq depending desired flight speed C\Soe\C $8je ~ ietractS9 GO& par1terSs a0d atpiP~3 ~oyS oriented public relations better way us go Martin Dilly West Wickham Kent England can t think anyone wouldn t like see high respect airplane mod eling general public unfortunate ly doesnt seem magic answers assure giant leap di rection Safety/Preston Continued page 22 accident no else field Just two minutes before accident two other members left leaving just two us accident happened grabbed torn finger Sue helped load van drove nearby fire station para medic gave preliminary check said going live bound up wound off went hospital After receiving seven stitches finger several days later returned field T-Craft did again time prop flew off hit leg no hospital trip time made deep cut After lengthy dis cussion club president engine expert Frank Warren electronics expert Ron Roeder bought zero-to-five-ohm wirewound rheostat could handle 25 amps found local surplus outlet $150 also picked up toggle switch 50 cents lit tle fellows went power panel field box Since Ive no problems Frank Ron contended glow plug getting too much juice causing detonation problem loosening prop nut causing insurance company shudder would recommend addition anyone firing up four-stroke toggle switch works kill-switch glow plug can cut heat quickly havent personally tried out Dukes sugges tion However worked him may work others Meanwhile wonder engine manufacturers going provide some means positively retain prop nut shaft column has discussed several methods have suggested readers its ex actly new technology wrap up months column letter Joe Wagner New Wilmington PA points out buddy system infallible Ill let Joe tell tale Im responding latest column Sep tember 87 mentioning buddy tystem good bit model flying alone although Ive never problems agree its better have buddy along However make sure youve got dependable An experience back 1942 case point building solid Scale models friend basement big knife using roughly shape Short Stirling fuse lage slipped made huge gash hand Blood everywhere before could pick up rag slow flow turned buddy help saw him collapsed heap floor learned later despite Boy Scout training merit badges First Aid friend people simply can stand sight blood did know Bleeding hand managed carry friend upstairs alone house lay him down couch make sure breathing OK before left made way doctors office circumstances Id have better off alone now wonder about some peo ple occasionally fly would react case bloody accident Maybe ought ask themtactfully course Have another safe month John Preston 2812 Northampton St N W Washington DC 20015 TR-260/Shepherd Continued page 34 Select some grain 3/ sheet tur fledeck sides cut little oversize Wet outside sheet will curve over formers stringers easily use CyA glue attach Sand top sheets flush formers top stringers glue -in light sheet top Cut excess off sides A-in sheet sand top long straight block Glue landing gear plate place epoxy Glue bottom A-in sheet place December 1987 133 U Letters Editor Continued page 12
Edition: Model Aviation - 1987/12
Page Numbers: 8, 10, 12, 133
Bill EIfinger5 says after seeing slick Larsens 113 scale cub fly knew hundreds other model builders would want scratch build relatively simple sturdy version SoI took Chuck Hollingers Berkeley 1/6 scale scaled up two times modified structure removable engine pack swivel land ing gear assembly removable tail surfaces wing panels am quite sure modelers will love itI -I Piper Cub J-3 119 wingspan 18 lbs 20 30 2-cycle engine 4-channel 280 sq wing area 90 length Plywood/balsa frame balsa/spruce removable wing panels hinged shock-mounted music wire frame landing gear Removable tail surfaces transportation Plan N Pattern -- RC3S-2 2995 601/i Wingspan 603h overall length 60 26 Engines 6 Plan N Pattern Set IRC3S-1 $2495 Sopwlth 2150 sq wing area 84 wingspan 4 ch R/C 11 lbs w/o R/C plywood Et balsa construction over 65 sq ft drawings Plan N Pattern #RCQS-1 1 $2495 SPAD C-XIII Capable Flyer Captures Imagination 13 31 cu engines 79W wingspan 2120 sq wing area Plan N Pattern #RCQS 8 $2796 FokkerKi-3:2N Triplane DR-i Giant Y4 Scale R/C Design WW 78 150 cu engines 72 wingspan triplane 1772 sq wing area Plan N Pattern #RCQS6 $2495 SE-5A World Wan 78 22 enganeslO 80/ wingspan 2220 sq wing area Plan N Pattern IRCQS-7 $2495 Quarter Scale Curtis Falcon 114 Wingspan 3168 sq area Quadra Size Engine Plan N Pattern #RCQS13 $2796 Elil Effinger founding member AMA AMA AFFS Hall Famer Prices complete Plane Sub-Assem ly Detailed Pans Lists Add $200 MaIling Tube SEND FOR EROCHURE ahead crowd New erochure showing new Plan Sets 1988 Send $100 refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Anything Really New After reading Bill Evans article Oc tober 1987 issue about development Simitar design surprised note gave no credit perfect ed swept-forward flying wing design model airplanes some 45 years ago Berryloid winner 1946 Nation als Control Line model Tex Rus sell very similar design Simitar Tex rather famous modeler period working design several years prior Nats win airplane called Vampire published May 1947 issue Air Trails magazine very popular airplane built flown Memory fails believe may have kitted time Free Flight version same config uration called Williwaw designed Bruce Wennerstrom published April 1948 issue Model Airplane News Bruce also famous modeler designer spent number years experimenting design Attu during WW II Free Flight version very stable easy fly either tractor pusher competed 1950 Nationals two model designs well oth ers published early SOs based semi-success genfleman named Cornelius full-scale light air plane same arrangement 1930s Cornelius also designed wellpublicized glider/tanker again same layout towed behind WW II trans ports bombers method extending range made lot magazine covers just wasnt successful before Mr Cornelius French flying same big fin-rudder sweptforward flying wing design back 1922 Could call biplane version X wing Bill Evans congratulated pro moting design Yet hes mod eling 50 years must know its new idea LF Randolph Dallas TX dont think Bill Evans has ever laid claim being inventor flying Continued page 10 CALL FOR IMMEDIATE SHIPMENT ON ViSA OR MASTERCARD SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 05 1S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED KAB ENGINES ALSOA COMPLETE LINE OF RACING PARTS BEE FIREBALL KAB PLUGS SOLID LINES RACING WHEELS QUICK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES COILS CONDENSERS NGK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 73 LOOP RUBBER BANDS KSB SEELIG IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES S EVERYTHING YOU NEED FOR OLD T1AER-INCLUDING REPLICA OR WICK ENGINES 8 Model Aviation etWs Editor lettors will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 WE STOCK ALL REV-UP PROPS OUR INVENTORY AVERAGES OVER 10000 PROPS! OLD TIMER SUPPLIES ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA MASTERCARD WELCOME DEALER INQUIRIES INVITED MINIMUM MERCHANDISE ORDER S 1000 SHIPPING HANDLING FEE 8150 FOR INSURANCE ADD U 100 ORDERS SHIPPED WITHIN 24 HOURS CALIF RESIDENTS ADD 6% TAX wing swept-forward flying wing X-wing Re latter memory Bill inspired movie Star Wars Yet don t remember mention ing other airplanes designers models full-size stepping stones Should wouldn t pretend say get right down new airplane owes its debt otherseach effect re finement earlier design Whatever no can take away fact Bill Evans has done much make practical popular flying wing concept RC modelingthrough Simitar series variants Soloed Eight am eight years old past spring dad began teaching fly Eagle same learned fly three years ago Just before got out sec ond grade took off landed myself am youngest member club have AMA since six dad working new plane still like fly Eagle am sending picture Brian Powers Gastonia NC Does Brian remind anyone about Chip Hyde Rhett Miller Brian see fine future ahead Quadruple Duty Just want let know someone does build planes show describe Model Aviation i nave raraeei wnicn uses rox oes well three-channel model After saw Double Duty Mod el Aviation cover idea shown enclosed photos shows two Double Duty modelsone aile roned wings Fox 15 other dihedral wings three channels 05 25 wings switched other pictureContinued page 12 10 Model Aviation ALL PURPOSE FOAM CUTTER Hands Off Cut ii Especially Designed Tapered Wings HANDS OFt LU II unique aevice cutting nign quaiity roam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advan tage having wait until friends can come around help However iust foam wing cutter HANDS OFF also capable cutting precision foam com ponents such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble takes approximately 15 minutes Dealers WantedHands Off Cut II Hardware Package$8750 plus 83 shipping handling 24 Volt Variable Output Power Supply$5250 plus *3 shipping handiing New 1 hr Video Tape Foam Shop Part 1 ing Foam Wings $2995 NOR-RAY PRODUCTS INC 5008 Sandbeach Road Wichita Falls TX 76310 Tel 817 692-4475 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500 COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure ye paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPflces subject change withoot notice See aealer first available order direct Call LJ 800-247-5008 toll free orders Latest Catalog $300 MANUFACTURING CO Montezuma IA 50171 ATT- CHEKT ON-Board Battery Tester Saves Time. Saves Models BATTCHEKRX-1 $1495 ei n USA NW Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged ORDER TODAY dealer Protune Corp 19141462-6452 PO Box 1808 Poughkeepsie NY 12601 Keep up good work Love mag Phil Honeycutt Lucama NC NoiseFrom England May comment something Sep tember MA topic noise typ ified Jim Watermans Guest Editorial some AMA people seem danger losing sight what think really trying achieve Surely aim reduce public opposi tion model flying simply clamp good mufflers engines Let us confuse two Britain know several large flying sites Free Flight powered aircraft have flown since before war totally unmuffled engines cut after 10 seconds Fit ting mufflers tried over 1960s effect making almost impossible tell engine cutbad news timekeepers However rarely noise complaints because sound lasted short time diminishing fast models climbed vertically com plaints did start RC fliers well-muffled engines running 10 min utes time began share sites Result lost sites RC fliers need 50 acres Free Flighters too must have 300 acres fly over What surely needed much better pub lic relations aimed telling public what aims sport Much oppo sition model flying comes igno rance feeling playing noisy toys no particular purpose competition fliers provide vital end product public can focus improves image of us end product excellence steady supply positive media stories local heroes sport have won contests maybe practicing represent country World Championships helps deter complainers Waiting till site threatened far too lateand personally doubt whether RC flying items lo cal shows fairs much except boost egos participants Free Flight proven way lim iting complaints built contest rules Keep engine running time down Control Line too lucky although engine runs sometimes quite long altitude low thus annoyance cone has small base diameter What important horses courses have tried blanket muffler rule does work Fitting RC models cutout stop engine after 10 seconds almost certainly would stop public complaints might unpopular some fliers Editor Hows under statement think positive excellence Continued page 133 12 Model Aviation 1987 NATIONAL CHAMPION Tony Frackowiak shown winning FAI RC Pattern 1987 NATS original design LENGE IV CHALLENGE IV available basic kit featuring epoxyglass fuselage foam wings stab $14995 Deluxe Kit $35000 much assem bly complete exceptionally smooth pre cise flying aircraft equally adept AMA FAI pattern Much individual preference can accomodated including choice Tn-Gear Tail Dragger 790 sq wing 820 sq depending desired flight speed C\Soe\C $8je ~ ietractS9 GO& par1terSs a0d atpiP~3 ~oyS oriented public relations better way us go Martin Dilly West Wickham Kent England can t think anyone wouldn t like see high respect airplane mod eling general public unfortunate ly doesnt seem magic answers assure giant leap di rection Safety/Preston Continued page 22 accident no else field Just two minutes before accident two other members left leaving just two us accident happened grabbed torn finger Sue helped load van drove nearby fire station para medic gave preliminary check said going live bound up wound off went hospital After receiving seven stitches finger several days later returned field T-Craft did again time prop flew off hit leg no hospital trip time made deep cut After lengthy dis cussion club president engine expert Frank Warren electronics expert Ron Roeder bought zero-to-five-ohm wirewound rheostat could handle 25 amps found local surplus outlet $150 also picked up toggle switch 50 cents lit tle fellows went power panel field box Since Ive no problems Frank Ron contended glow plug getting too much juice causing detonation problem loosening prop nut causing insurance company shudder would recommend addition anyone firing up four-stroke toggle switch works kill-switch glow plug can cut heat quickly havent personally tried out Dukes sugges tion However worked him may work others Meanwhile wonder engine manufacturers going provide some means positively retain prop nut shaft column has discussed several methods have suggested readers its ex actly new technology wrap up months column letter Joe Wagner New Wilmington PA points out buddy system infallible Ill let Joe tell tale Im responding latest column Sep tember 87 mentioning buddy tystem good bit model flying alone although Ive never problems agree its better have buddy along However make sure youve got dependable An experience back 1942 case point building solid Scale models friend basement big knife using roughly shape Short Stirling fuse lage slipped made huge gash hand Blood everywhere before could pick up rag slow flow turned buddy help saw him collapsed heap floor learned later despite Boy Scout training merit badges First Aid friend people simply can stand sight blood did know Bleeding hand managed carry friend upstairs alone house lay him down couch make sure breathing OK before left made way doctors office circumstances Id have better off alone now wonder about some peo ple occasionally fly would react case bloody accident Maybe ought ask themtactfully course Have another safe month John Preston 2812 Northampton St N W Washington DC 20015 TR-260/Shepherd Continued page 34 Select some grain 3/ sheet tur fledeck sides cut little oversize Wet outside sheet will curve over formers stringers easily use CyA glue attach Sand top sheets flush formers top stringers glue -in light sheet top Cut excess off sides A-in sheet sand top long straight block Glue landing gear plate place epoxy Glue bottom A-in sheet place December 1987 133 U Letters Editor Continued page 12
Edition: Model Aviation - 1987/12
Page Numbers: 8, 10, 12, 133
Bill EIfinger5 says after seeing slick Larsens 113 scale cub fly knew hundreds other model builders would want scratch build relatively simple sturdy version SoI took Chuck Hollingers Berkeley 1/6 scale scaled up two times modified structure removable engine pack swivel land ing gear assembly removable tail surfaces wing panels am quite sure modelers will love itI -I Piper Cub J-3 119 wingspan 18 lbs 20 30 2-cycle engine 4-channel 280 sq wing area 90 length Plywood/balsa frame balsa/spruce removable wing panels hinged shock-mounted music wire frame landing gear Removable tail surfaces transportation Plan N Pattern -- RC3S-2 2995 601/i Wingspan 603h overall length 60 26 Engines 6 Plan N Pattern Set IRC3S-1 $2495 Sopwlth 2150 sq wing area 84 wingspan 4 ch R/C 11 lbs w/o R/C plywood Et balsa construction over 65 sq ft drawings Plan N Pattern #RCQS-1 1 $2495 SPAD C-XIII Capable Flyer Captures Imagination 13 31 cu engines 79W wingspan 2120 sq wing area Plan N Pattern #RCQS 8 $2796 FokkerKi-3:2N Triplane DR-i Giant Y4 Scale R/C Design WW 78 150 cu engines 72 wingspan triplane 1772 sq wing area Plan N Pattern #RCQS6 $2495 SE-5A World Wan 78 22 enganeslO 80/ wingspan 2220 sq wing area Plan N Pattern IRCQS-7 $2495 Quarter Scale Curtis Falcon 114 Wingspan 3168 sq area Quadra Size Engine Plan N Pattern #RCQS13 $2796 Elil Effinger founding member AMA AMA AFFS Hall Famer Prices complete Plane Sub-Assem ly Detailed Pans Lists Add $200 MaIling Tube SEND FOR EROCHURE ahead crowd New erochure showing new Plan Sets 1988 Send $100 refundable first order WE Technical Services PO Box 76884-A Atlanta GA 30328 Anything Really New After reading Bill Evans article Oc tober 1987 issue about development Simitar design surprised note gave no credit perfect ed swept-forward flying wing design model airplanes some 45 years ago Berryloid winner 1946 Nation als Control Line model Tex Rus sell very similar design Simitar Tex rather famous modeler period working design several years prior Nats win airplane called Vampire published May 1947 issue Air Trails magazine very popular airplane built flown Memory fails believe may have kitted time Free Flight version same config uration called Williwaw designed Bruce Wennerstrom published April 1948 issue Model Airplane News Bruce also famous modeler designer spent number years experimenting design Attu during WW II Free Flight version very stable easy fly either tractor pusher competed 1950 Nationals two model designs well oth ers published early SOs based semi-success genfleman named Cornelius full-scale light air plane same arrangement 1930s Cornelius also designed wellpublicized glider/tanker again same layout towed behind WW II trans ports bombers method extending range made lot magazine covers just wasnt successful before Mr Cornelius French flying same big fin-rudder sweptforward flying wing design back 1922 Could call biplane version X wing Bill Evans congratulated pro moting design Yet hes mod eling 50 years must know its new idea LF Randolph Dallas TX dont think Bill Evans has ever laid claim being inventor flying Continued page 10 CALL FOR IMMEDIATE SHIPMENT ON ViSA OR MASTERCARD SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 05 1S & 09S ALL CUSTOM & STOCK PARTS VAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED KAB ENGINES ALSOA COMPLETE LINE OF RACING PARTS BEE FIREBALL KAB PLUGS SOLID LINES RACING WHEELS QUICK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES COILS CONDENSERS NGK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 73 LOOP RUBBER BANDS KSB SEELIG IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLA YBOY SR KIT 1/2A TEXACO ENGINES S EVERYTHING YOU NEED FOR OLD T1AER-INCLUDING REPLICA OR WICK ENGINES 8 Model Aviation etWs Editor lettors will carefully considered general interest used Send Mod el Aviation 1810 Samuel Morse Dr Reston VA 22090 WE STOCK ALL REV-UP PROPS OUR INVENTORY AVERAGES OVER 10000 PROPS! OLD TIMER SUPPLIES ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA MASTERCARD WELCOME DEALER INQUIRIES INVITED MINIMUM MERCHANDISE ORDER S 1000 SHIPPING HANDLING FEE 8150 FOR INSURANCE ADD U 100 ORDERS SHIPPED WITHIN 24 HOURS CALIF RESIDENTS ADD 6% TAX wing swept-forward flying wing X-wing Re latter memory Bill inspired movie Star Wars Yet don t remember mention ing other airplanes designers models full-size stepping stones Should wouldn t pretend say get right down new airplane owes its debt otherseach effect re finement earlier design Whatever no can take away fact Bill Evans has done much make practical popular flying wing concept RC modelingthrough Simitar series variants Soloed Eight am eight years old past spring dad began teaching fly Eagle same learned fly three years ago Just before got out sec ond grade took off landed myself am youngest member club have AMA since six dad working new plane still like fly Eagle am sending picture Brian Powers Gastonia NC Does Brian remind anyone about Chip Hyde Rhett Miller Brian see fine future ahead Quadruple Duty Just want let know someone does build planes show describe Model Aviation i nave raraeei wnicn uses rox oes well three-channel model After saw Double Duty Mod el Aviation cover idea shown enclosed photos shows two Double Duty modelsone aile roned wings Fox 15 other dihedral wings three channels 05 25 wings switched other pictureContinued page 12 10 Model Aviation ALL PURPOSE FOAM CUTTER Hands Off Cut ii Especially Designed Tapered Wings HANDS OFt LU II unique aevice cutting nign quaiity roam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advan tage having wait until friends can come around help However iust foam wing cutter HANDS OFF also capable cutting precision foam com ponents such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble takes approximately 15 minutes Dealers WantedHands Off Cut II Hardware Package$8750 plus 83 shipping handling 24 Volt Variable Output Power Supply$5250 plus *3 shipping handiing New 1 hr Video Tape Foam Shop Part 1 ing Foam Wings $2995 NOR-RAY PRODUCTS INC 5008 Sandbeach Road Wichita Falls TX 76310 Tel 817 692-4475 Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION 2-STROKE FUEL FREIGHT FREE SHIPPING ON ORDERS OVER $1500 COLLECT PINTQUARTGALLON55 GAL DRUM 0%Nitromethane$315$450$1050$19000 5%Nitromethane$365$525$1250$25800 10%Nitromethane$415$550$1450$32500 15%Nitromethane$430$625$1650$38500 25%Nitromethane$495$750$2095$52000 35%Nitromethane$575$875$2495$66000 SIGPREMIUM4-STROKE FUEL 10%Nitromethane$415$550$1395$29500 15%Nitromethane$425$625$1595$35900 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure ye paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPflces subject change withoot notice See aealer first available order direct Call LJ 800-247-5008 toll free orders Latest Catalog $300 MANUFACTURING CO Montezuma IA 50171 ATT- CHEKT ON-Board Battery Tester Saves Time. Saves Models BATTCHEKRX-1 $1495 ei n USA NW Install RC Models Check receiver battery status press button Small Light /2 oz Precise Rugged ORDER TODAY dealer Protune Corp 19141462-6452 PO Box 1808 Poughkeepsie NY 12601 Keep up good work Love mag Phil Honeycutt Lucama NC NoiseFrom England May comment something Sep tember MA topic noise typ ified Jim Watermans Guest Editorial some AMA people seem danger losing sight what think really trying achieve Surely aim reduce public opposi tion model flying simply clamp good mufflers engines Let us confuse two Britain know several large flying sites Free Flight powered aircraft have flown since before war totally unmuffled engines cut after 10 seconds Fit ting mufflers tried over 1960s effect making almost impossible tell engine cutbad news timekeepers However rarely noise complaints because sound lasted short time diminishing fast models climbed vertically com plaints did start RC fliers well-muffled engines running 10 min utes time began share sites Result lost sites RC fliers need 50 acres Free Flighters too must have 300 acres fly over What surely needed much better pub lic relations aimed telling public what aims sport Much oppo sition model flying comes igno rance feeling playing noisy toys no particular purpose competition fliers provide vital end product public can focus improves image of us end product excellence steady supply positive media stories local heroes sport have won contests maybe practicing represent country World Championships helps deter complainers Waiting till site threatened far too lateand personally doubt whether RC flying items lo cal shows fairs much except boost egos participants Free Flight proven way lim iting complaints built contest rules Keep engine running time down Control Line too lucky although engine runs sometimes quite long altitude low thus annoyance cone has small base diameter What important horses courses have tried blanket muffler rule does work Fitting RC models cutout stop engine after 10 seconds almost certainly would stop public complaints might unpopular some fliers Editor Hows under statement think positive excellence Continued page 133 12 Model Aviation 1987 NATIONAL CHAMPION Tony Frackowiak shown winning FAI RC Pattern 1987 NATS original design LENGE IV CHALLENGE IV available basic kit featuring epoxyglass fuselage foam wings stab $14995 Deluxe Kit $35000 much assem bly complete exceptionally smooth pre cise flying aircraft equally adept AMA FAI pattern Much individual preference can accomodated including choice Tn-Gear Tail Dragger 790 sq wing 820 sq depending desired flight speed C\Soe\C $8je ~ ietractS9 GO& par1terSs a0d atpiP~3 ~oyS oriented public relations better way us go Martin Dilly West Wickham Kent England can t think anyone wouldn t like see high respect airplane mod eling general public unfortunate ly doesnt seem magic answers assure giant leap di rection Safety/Preston Continued page 22 accident no else field Just two minutes before accident two other members left leaving just two us accident happened grabbed torn finger Sue helped load van drove nearby fire station para medic gave preliminary check said going live bound up wound off went hospital After receiving seven stitches finger several days later returned field T-Craft did again time prop flew off hit leg no hospital trip time made deep cut After lengthy dis cussion club president engine expert Frank Warren electronics expert Ron Roeder bought zero-to-five-ohm wirewound rheostat could handle 25 amps found local surplus outlet $150 also picked up toggle switch 50 cents lit tle fellows went power panel field box Since Ive no problems Frank Ron contended glow plug getting too much juice causing detonation problem loosening prop nut causing insurance company shudder would recommend addition anyone firing up four-stroke toggle switch works kill-switch glow plug can cut heat quickly havent personally tried out Dukes sugges tion However worked him may work others Meanwhile wonder engine manufacturers going provide some means positively retain prop nut shaft column has discussed several methods have suggested readers its ex actly new technology wrap up months column letter Joe Wagner New Wilmington PA points out buddy system infallible Ill let Joe tell tale Im responding latest column Sep tember 87 mentioning buddy tystem good bit model flying alone although Ive never problems agree its better have buddy along However make sure youve got dependable An experience back 1942 case point building solid Scale models friend basement big knife using roughly shape Short Stirling fuse lage slipped made huge gash hand Blood everywhere before could pick up rag slow flow turned buddy help saw him collapsed heap floor learned later despite Boy Scout training merit badges First Aid friend people simply can stand sight blood did know Bleeding hand managed carry friend upstairs alone house lay him down couch make sure breathing OK before left made way doctors office circumstances Id have better off alone now wonder about some peo ple occasionally fly would react case bloody accident Maybe ought ask themtactfully course Have another safe month John Preston 2812 Northampton St N W Washington DC 20015 TR-260/Shepherd Continued page 34 Select some grain 3/ sheet tur fledeck sides cut little oversize Wet outside sheet will curve over formers stringers easily use CyA glue attach Sand top sheets flush formers top stringers glue -in light sheet top Cut excess off sides A-in sheet sand top long straight block Glue landing gear plate place epoxy Glue bottom A-in sheet place December 1987 133 U Letters Editor Continued page 12